diff options
Diffstat (limited to 'sysdeps/generic')
| -rw-r--r-- | sysdeps/generic/ldsodefs.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index 4ff8bbf217..53c3290e01 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -171,6 +171,17 @@ struct libname_list }; +/* Bit masks for the objects which valid callers can come from to + functions with restricted interface. */ +enum allowmask + { + allow_libc = 1, + allow_libdl = 2, + allow_libpthread = 4, + allow_ldso = 8 + }; + + /* Test whether given NAME matches any of the names of the given object. */ extern int _dl_name_match_p (const char *__name, struct link_map *__map) internal_function; @@ -492,6 +503,7 @@ struct rtld_global_ro const struct r_found_version *, int, int, struct link_map *); + int (*_dl_check_caller) (const void *, enum allowmask); }; # define __rtld_global_attribute__ @@ -878,6 +890,10 @@ extern size_t _dl_dst_count (const char *name, int is_path) attribute_hidden; extern char *_dl_dst_substitute (struct link_map *l, const char *name, char *result, int is_path) attribute_hidden; +/* Check validity of the caller. */ +extern int _dl_check_caller (const void *caller, enum allowmask mask) + attribute_hidden; + __END_DECLS #endif /* ldsodefs.h */ |